Ophthalmic Clinical Research, Clinical Trial Items
SKU : 7030
Black Out Filter for Trial Lens Frame
SKU : 7030
Black Out Filter for Trial Lens Frame
Black Out Filter for Trial Lens Frame
| Brands | Precision Vision |
|---|
| Dimensions | 3 × 2.25 × 0.25 in |
|---|
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Ophthalmic Clinical Research, Pelli-Robson Trans-Illuminated Contrast Sensitivity Chart
Trans Illuminated Contrast Sensitivity Pelli Robson Chart SLOAN Peak Contrast Sensitivity Chart A
Ophthalmic Clinical Research, Pelli-Robson Trans-Illuminated Contrast Sensitivity ChartTrans Illuminated Contrast Sensitivity Pelli Robson Chart SLOAN Peak Contrast Sensitivity Chart A
Pelli-Robson Trans-Illuminated Contrast Sensitivity Chart
The trans-illuminated versions are identical to the original “Gold Standard” Pelli-Robson Contrast Sensitivity Charts. These charts cover ¾ of the original contrast range and are manufactured to the same true log steps and use the same letters and letter sizes as the originals.SKU: 5017A -
Near Vision Chart, Ophthalmic Clinical Research
Colenbrander Reading Card Low Vision and Mixed Contrast English
Near Vision Chart, Ophthalmic Clinical ResearchColenbrander Reading Card Low Vision and Mixed Contrast English
Continuous text cards simulate everyday tasks and activities that patients may encounter, such as reading the newspaper.
Designed as a simple screen test. The usual question for a reading test is: What is the smallest (black) line you can read? On the contrast card one adds the question What is the smallest (grey) line you can read? The difference between the two measurements will be obvious and can simply be expressed in lines. Preliminary findings indicate a 2 or 3 line difference is normal.
Unrelated simple sentences at 4th grade level.
Serves as an educational tool to demonstrate the effect of contrast deficits to patients and family members.
SKU: 4061_ -
